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Proc. ASME. PVP2022, Volume 4B: Materials and Fabrication, V04BT06A007, July 17–22, 2022
Paper No: PVP2022-84549
... Abstract This paper intends to contribute to a better understanding of how normalizing cooling rate affects toughness of SA – 350 LF2 Class 1 forgings. This is a sensitive material widely used in pressure vessels fabrication when toughness requirements are applicable. Three pieces from...
Proc. ASME. PVP2022, Volume 4B: Materials and Fabrication, V04BT06A009, July 17–22, 2022
Paper No: PVP2022-84867
... Abstract Over the last decade, multiple carbon steel flanges brittle fracture failures have led the industry to issue a global alert on standard ASTM A105 flanges toughness values at temperatures higher than −20°F (−29°C), the minimum temperature allowed by the current editions of ASME B16.5...
Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A065, July 13–15, 2021
Paper No: PVP2021-61761
... Proceedings of the ASME 2021 Pressure Vessels & Piping Conference PVP2021 July 13-15, 2021, Virtual, Online PVP2021-61761 ESTIMATION OF THE THRESHOLD TOUGHNESS IN ACID ENVIRONMENTS (KIEAC) BY USING CIRCUMFERENTIAL NOTCHED TENSILE SPECIMENS (CNT) B. Arroyo J.A. Álvarez F. Gutiérrez-Solana A. Cayón...
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A066, August 3, 2020
Paper No: PVP2020-21626
... prior to installation. Based on literature review the need for improvement in the approach for mechanical testing including fracture toughness testing for modern materials was identified. brittle fracture impact testing toughness carbon steel charpy grain size normalizing heat treatment...
Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A005, July 14–19, 2019
Paper No: PVP2019-93466
...IMPROVEMENT OF LOW-TEMPERATURE TOUGHNESS IN WELD METAL MADE OF 9CR-1MO-V STEEL BY GTAW METHOD Masakatsu Nakano1 Hitachi Zosen Corporation Kumamoto, Japan Tomohiro Tanaka Hitachi Zosen Corporation Kumamoto, Japan Masamitsu Abe Hitachi Zosen Corporation Kumamoto, Japan Mitsuyoshi Nakatani Hitachi...
Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A071, July 14–19, 2019
Paper No: PVP2019-93683
...ADJUSTED J-R TOUGHNESS CURVE FOR PIPES USING J-A2 CRACK CONSTRAINT OF CT SPECIMENS AND 3D CRACK MESHES Greg Thorwald1 Quest Integrity Boulder, Colorado, USA Ken Bagnoli ExxonMobil Research & Engineering Spring, Texas, USA ABSTRACT The objective of this paper is to use two-parameter fracture...
Proc. ASME. PVP2012, Volume 6: Materials and Fabrication, Parts A and B, 215-219, July 15–19, 2012
Paper No: PVP2012-78849
... with pipe. The fractotraph showed that these samples has adequate dimples in pars fibrosa, radiation area and shear zone, respectively, at -20 . This indicates that when X100 pipe steels are reheattreated with this technique, it could gain right toughness. Key words: X100 pipeline steel; reheat treatment...